Unit 3 crossword

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Across
  1. 1. ditches where molten lava flowed
  2. 4. dark areas on the surface that are ancient basaltic lava flows
  3. 6. Earth & Moon’s center of attraction
  4. 9. circular features formed by meteorite impacts
  5. 11. the continuous flow of charged particles that comes from the Sun in every direction
  6. 12. Moon is farthest away from the Earth
  7. 15. the Earth is positioned between the Moon & Sun
  8. 16. thin orange-red gaseous layer just above the photosphere
  9. 19. lighter areas that are mountainous
  10. 20. pulverized meteorite ejecta or regolith
Down
  1. 2. most likely exists at the poles shadowed in deep craters
  2. 3. Tremendous explosions on the surface of the Sun
  3. 5. minimum tidal pull when the Moon is at quadrature (90o angle from the Earth & Sun line)
  4. 7. the Moon is positioned between the Earth & the Sun
  5. 8. Moon is closest to the Earth in orbit
  6. 10. radiation from the surface of the Sun, which is the portion of the Sun we see
  7. 13. means “partial” shadow
  8. 14. Appear as dark spots on the surface of the Sun
  9. 17. max tidal pull of the Sun and Moon
  10. 18. orbit to rotation ratio 1:1